489444984 has 64 divisors (see below), whose sum is σ = 1553798400. Its totient is φ = 139840992.

The previous prime is 489444973. The next prime is 489445001.

489444984 is a `hidden beast` number, since 489 + 44 + 49 + 84 = 666.

489444984 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 489444984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160342 + ... + 163365.

It is an arithmetic number, because the mean of its divisors is an integer number (24278100).

Almost surely, 2^489444984 is an apocalyptic number.

It is an amenable number.

489444984 is an abundant number, since it is smaller than the sum of its proper divisors (1064353416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489444984 is a wasteful number, since it uses less digits than its factorization.

489444984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323729 (or 323719 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 54.

The square root of 489444984 is about 22123.4035356226. The cubic root of 489444984 is about 788.0757440483.

The spelling of 489444984 in words is "four hundred eighty-nine million, four hundred forty-four thousand, nine hundred eighty-four".